Cute project translating all the keywords of JS, to help programmers where English isn't their first language: https://fhtr.org/js-i18n/ (looks like a proof of concept though)
miniblog.
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A cute systemd feature to get the system clock roughly correct: if the system time is before the compilation time of the systemd binary, it moves the clock forward to that time!
One cute feature of markdown I'd not noticed before: there's no syntax for images *without* a description (i.e. alt text).

Really cute approach to reporting type errors: when there's a type error, show an example of a runtime error that the type check has prevented!
Data-Driven Techniques for Type Error Diagnosis https://escholarship.org/uc/item/59s4h4pv